/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

package com.zjdt.epserver.servlet.siter;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.dusin.mobile.util.MobileUserList;
import org.dusin.web.util.JsonUtil;

/**
 *
 * @author dusin
 */
@WebServlet(name = "SiterLogout", urlPatterns = {"/servlet/siter/Logout"})
public class Logout extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/json;charset=UTF-8");
        PrintWriter out = response.getWriter();
        String jsonText=null ;
        try {
            String sid = request.getParameter("logid");
            String username = request.getParameter("username");
            MobileUserList musers = (MobileUserList)this.getServletContext().getAttribute("siters"); 
            Map<String, Object> user = musers.removeByUsername(username);            
            if(user==null){
                jsonText = JsonUtil.createFailureJsonResponse("not login");
            }else{
                jsonText = JsonUtil.createSuccessJsonResponse("操作成功");
            }            
            out.print(jsonText);
            
        }catch (Exception e) {
            e.printStackTrace();
            jsonText = JsonUtil.createFailureJsonResponse("操作失败");
            out.print(jsonText);    
        } finally {            
            out.close();
            System.out.println(jsonText);
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
